216053143 has 2 divisors, whose sum is σ = 216053144. Its totient is φ = 216053142.

The previous prime is 216053141. The next prime is 216053147. The reversal of 216053143 is 341350612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216053143 - 2¹ = 216053141 is a prime.

Together with 216053141, it forms a pair of twin primes.

It is equal to p_11917204 and since 216053143 and 11917204 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216053141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108026571 + 108026572.

It is an arithmetic number, because the mean of its divisors is an integer number (108026572).

Almost surely, 2^216053143 is an apocalyptic number.

216053143 is a deficient number, since it is larger than the sum of its proper divisors (1).

216053143 is an equidigital number, since it uses as much as digits as its factorization.

216053143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216053143 is about 14698.7463070835. The cubic root of 216053143 is about 600.0492024466.

The spelling of 216053143 in words is "two hundred sixteen million, fifty-three thousand, one hundred forty-three".